[The mood has definitely broken due to what happened, and he can't help feel strange about it as well. As if something is sticking to his chest and it tightens when he looks at her. But the last thing he wants is to have her be anymore scared or uncomfortable, so he just nods.]

...Yeah. You go ahead and get changed first. I'll check around here to be sure there wasn't anything that snuck in last night.

[They did leave the window open, so it's not completely impossible...]